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Index of Eight Core Industries


The combined Index of Eight Core Industries increased by 12.7 per cent (provisional) as compared to the Index of June 2021.


What are the ‘eight-core sectors’ of India?

  • In India, there are eight sectors that are considered the core sectors.
  • The eight-core sectors of the Indian economy are electricity, steel, refinery products, crude oil, coal, cement, natural gas and fertilizers.
  • Office of the Economic Adviser, Department for Promotion of Industry and Internal Trade is responsible for the release of the Index of Eight Core Industries.
    • It maps the volume of production in the eight most fundamental industries of our economy.

Components to calculate the ICI

  • Coal – Coal production, excluding Coking coal.
  • Crude Oil – Total crude oil production.
  • Natural Gas – Total production of natural gas.
  • Refinery Products – Total refinery production.
  • Fertilizer – Urea, ammonium sulphate, calcium ammonium nitrate, complex grade fertilizer, and single superphosphate, among others.
  • Steel – Production of alloy and non-alloy steel only.
  • Cement – Production in large plants and mini plants.
  • Electricity – Electricity generation of thermal, nuclear, hydro, imports

Key-highlights of the Index of Eight Core Industries:

  • Petroleum Refinery has the highest weightage in the index of eight core industries followed by Electricity generation, Steel, Coal, Crude Oil Production, Natural Gas, Cement Production and Fertilizers respectively.
  • The Eight Core Industries comprise 27 percent of the weight of items included in the Index of Industrial Production (IIP).
  • At present, the base year for the Index of Eight Core Industries (ICI) index is 2011-12.

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